зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
2.8 KiB
C++
95 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_VR_PROCESS_MANAGER_H
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#define GFX_VR_PROCESS_MANAGER_H
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#include "VRProcessParent.h"
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#include "mozilla/ipc/ProtocolUtils.h"
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namespace mozilla {
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class MemoryReportingProcess;
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namespace ipc {
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template <typename T>
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class Endpoint;
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}
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namespace gfx {
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class VRManagerChild;
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class PVRGPUChild;
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class VRChild;
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// The VRProcessManager is a singleton responsible for creating VR-bound
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// objects that may live in another process.
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class VRProcessManager final : public VRProcessParent::Listener {
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public:
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static VRProcessManager* Get();
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static void Initialize();
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static void Shutdown();
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~VRProcessManager();
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// If not using a VR process, launch a new VR process asynchronously.
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void LaunchVRProcess();
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// Ensure that VR-bound methods can be used. If no VR process is being
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// used, or one is launched and ready, this function returns immediately.
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// Otherwise it blocks until the VR process has finished launching.
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bool EnsureVRReady();
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bool CreateGPUBridges(base::ProcessId aOtherProcess,
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mozilla::ipc::Endpoint<PVRGPUChild>* aOutVRBridge);
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VRChild* GetVRChild();
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// If a VR process is present, create a MemoryReportingProcess object.
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// Otherwise, return null.
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RefPtr<MemoryReportingProcess> GetProcessMemoryReporter();
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virtual void OnProcessLaunchComplete(VRProcessParent* aParent) override;
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virtual void OnProcessUnexpectedShutdown(VRProcessParent* aParent) override;
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private:
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VRProcessManager();
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DISALLOW_COPY_AND_ASSIGN(VRProcessManager);
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bool CreateGPUVRManager(base::ProcessId aOtherProcess,
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mozilla::ipc::Endpoint<PVRGPUChild>* aOutEndpoint);
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void OnXPCOMShutdown();
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void OnPreferenceChange(const char16_t* aData);
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void CleanShutdown();
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void DestroyProcess();
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// Permanently disable the VR process and record a message why.
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void DisableVRProcess(const char* aMessage);
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class Observer final : public nsIObserver {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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explicit Observer(VRProcessManager* aManager);
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protected:
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~Observer() = default;
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VRProcessManager* mManager;
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};
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friend class Observer;
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RefPtr<Observer> mObserver;
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VRProcessParent* mProcess;
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VRChild* mVRChild;
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// Collects any pref changes that occur during process launch (after
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// the initial map is passed in command-line arguments) to be sent
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// when the process can receive IPC messages.
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nsTArray<mozilla::dom::Pref> mQueuedPrefs;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif // GFX_VR_PROCESS_MANAGER_H
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